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Sony A7 III vs Sony RX10 IV

Portability
63
Imaging
74
Features
92
Overall
81
Sony Alpha A7 III front
 
Sony Cyber-shot DSC-RX10 IV front
Portability
52
Imaging
54
Features
82
Overall
65

Sony A7 III vs Sony RX10 IV Key Specs

Sony A7 III
(Full Review)
  • 24MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 51200 (Boost to 204800)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 650g - 127 x 96 x 74mm
  • Launched February 2018
  • Succeeded the Sony A7 II
  • Updated by Sony A7 IV
Sony RX10 IV
(Full Review)
  • 20MP - 1" Sensor
  • 3" Tilting Screen
  • ISO 125 - 12800 (Raise to 25600)
  • Optical Image Stabilization
  • 3840 x 2160 video
  • 24-600mm (F2.4-4.0) lens
  • 1095g - 133 x 94 x 145mm
  • Released September 2017
  • Previous Model is Sony RX10 III
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Sony A7 III vs Sony RX10 IV Overview

Below, we will be matching up the Sony A7 III and Sony RX10 IV, former is a Pro Mirrorless while the latter is a Large Sensor Superzoom and both of them are produced by Sony. The image resolution of the A7 III (24MP) and the RX10 IV (20MP) is pretty close but the A7 III (Full frame) and RX10 IV (1") possess totally different sensor sizes.

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The A7 III was announced 6 months after the RX10 IV and they are of a similar age. Each of these cameras come with different body type with the Sony A7 III being a SLR-style mirrorless camera and the Sony RX10 IV being a SLR-like (bridge) camera.

Before diving straight into a complete comparison, below is a simple view of how the A7 III grades vs the RX10 IV with respect to portability, imaging, features and an overall mark.

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Reasons to pick Sony A7 III over the Sony RX10 IV

 A7 III RX10 IV 

Reasons to pick Sony RX10 IV over the Sony A7 III

 RX10 IV A7 III 
Screen resolution1440k922kClearer screen (+518k dot)

Common features in the Sony A7 III and Sony RX10 IV

 A7 III RX10 IV 
ReleasedFebruary 2018September 2017Same age
Focus manually Very precise focus
Screen typeTiltingTiltingTilting screen
Screen dimension3"3"Identical screen dimensions
Selfie screen Neither comes with selfie screen
Touch friendly screen Quickly navigate

Sony A7 III vs Sony RX10 IV Physical Comparison

If you're looking to travel with your camera regularly, you'll have to think about its weight and measurements. The Sony A7 III comes with physical dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") accompanied by a weight of 650 grams (1.43 lbs) while the Sony RX10 IV has proportions of 133mm x 94mm x 145mm (5.2" x 3.7" x 5.7") and a weight of 1095 grams (2.41 lbs).

Check the Sony A7 III and Sony RX10 IV in our completely new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will vary dependant on the lens you are utilising at that time. Below is the front view proportions comparison of the A7 III vs the RX10 IV.

Sony A7 III vs Sony RX10 IV size comparison

Factoring in size and weight, the portability score of the A7 III and RX10 IV is 63 and 52 respectively.

Sony A7 III vs Sony RX10 IV top view buttons comparison

Sony A7 III vs Sony RX10 IV Sensor Comparison

Often, it can be difficult to see the contrast in sensor dimensions purely by researching a spec sheet. The image underneath should give you a much better sense of the sensor dimensions in the A7 III and RX10 IV.

Clearly, the 2 cameras have got different megapixel count and different sensor dimensions. The A7 III using its bigger sensor will make achieving bokeh simpler and the Sony A7 III will render more detail with its extra 4MP. Higher resolution will also allow you to crop photographs much more aggressively.

Sony A7 III vs Sony RX10 IV sensor size comparison

Sony A7 III vs Sony RX10 IV Screen and ViewFinder

Sony A7 III vs Sony RX10 IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sony A7 III Portrait photography information
Sony RX10 IV Portrait photography information
84
has manual focus
decent sensor resolution (24 megapixels)
big sensor size (Full frame)
offers face detect focusing
saves RAW formats
72
focusing manually
high flash sync (1/2,000s)
megapixel count decent (20 megapixels)
sensor size is nice (1")
features face detect focusing
saves RAW formats
Photography Glossary

Street Comparison

Sony A7 III Street photography details
Sony RX10 IV Street photography details
78
tilting screen
image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
saves RAW formats
includes focus by touch
weather proofing
above average ISO range (51,200)
64
has a tilting screen
built in image stabilization (Optical)
sensor size is nice (1")
saves RAW formats
includes touch focus
weather sealing
heavier than competition in class (1,095 grams)
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Sports Comparison

Sony A7 III Sports photography factors
Sony RX10 IV Sports photography factors
87
great max shutter speed (1/8,000 seconds)
image stabilization (Sensor based 5-axis)
decent sensor resolution (24 megapixels)
big sensor size (Full frame)
offers tracking focus
weather proofing
better than average battery (610 CIPA)
has phase detect AF
77
excellent zoom range (24-600mm 25.0 x zoom)
silent shooting (1/32,000s)
max fps high (24.0 frames per second)
built in image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is nice (1")
features tracking focus
weather sealing
has phase detect AF
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Travel Comparison

Sony A7 III Travel photography advice
Sony RX10 IV Travel photography advice
73
better than average battery (610 CIPA)
weather proofing
connects via bluetooth
includes focus by touch
decent sensor resolution (24MP)
doesn't posses selfie friendly screen
57
weather sealing
supports bluetooth
includes touch focus
megapixel count decent (20 megapixels)
has built in flash
rather wide (24mm)
great reach (600mm)
missing Time Lapse recording
heavier than competition in class (1,095 grams)
doesn't feature selfie friendly screen
somewhat slow maximum aperture (f2.4)
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Landscape Comparison

Sony A7 III Landscape photography advice
Sony RX10 IV Landscape photography advice
85
has manual focus
change lenses (Sony E mount)
decent sized screen (3 inch)
image stabilization (Sensor based 5-axis)
decent sensor resolution (24MP)
big sensor size (Full frame)
above average ISO range (51,200)
saves RAW formats
weather proofing
better than average battery (610 CIPA)
two card slots
63
focusing manually
rather wide (24mm)
decent sized screen (3")
built in image stabilization (Optical)
megapixel count decent (20 megapixels)
sensor size is nice (1")
saves RAW formats
weather sealing
can't change lenses (fixed lens mount)
somewhat slow maximum aperture (f2.4)
missing Time Lapse recording
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Vlogging Comparison

Sony A7 III Vlogging info
Sony RX10 IV Vlogging info
36
touchscreen capability
image stabilization (Sensor based 5-axis)
offers face detect focusing
good video quality (3840 x 2160 resolution)
has mic socket
doesn't posses selfie friendly screen
29
rather wide (24mm)
touchscreen capability
built in image stabilization (Optical)
features face detect focusing
video res high (3840 x 2160 pxls)
has mic port
somewhat slow maximum aperture (f2.4)
doesn't feature selfie friendly screen
heavier than competition in class (1,095 grams)
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Sony A7 III vs Sony RX10 IV Specifications

Detailed spec comparison table for Sony A7 III and Sony RX10 IV
 Sony Alpha A7 IIISony Cyber-shot DSC-RX10 IV
General Information
Make Sony Sony
Model type Sony Alpha A7 III Sony Cyber-shot DSC-RX10 IV
Class Pro Mirrorless Large Sensor Superzoom
Launched 2018-02-27 2017-09-12
Body design SLR-style mirrorless SLR-like (bridge)
Sensor Information
Processor Chip Bionz X Bionz X
Sensor type BSI-CMOS BSI-CMOS
Sensor size Full frame 1"
Sensor dimensions 35.8 x 23.8mm 13.2 x 8.8mm
Sensor area 852.0mm² 116.2mm²
Sensor resolution 24 megapixels 20 megapixels
Anti alias filter
Aspect ratio 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Highest resolution 6000 x 4000 5472 x 3648
Highest native ISO 51200 12800
Highest boosted ISO 204800 25600
Lowest native ISO 100 125
RAW pictures
Lowest boosted ISO 50 64
Autofocusing
Focus manually
Autofocus touch
Continuous autofocus
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points 693 315
Lens
Lens mount type Sony E fixed lens
Lens zoom range - 24-600mm (25.0x)
Maximum aperture - f/2.4-4.0
Macro focusing range - 3cm
Total lenses 121 -
Crop factor 1 2.7
Screen
Screen type Tilting Tilting
Screen size 3" 3"
Screen resolution 922k dot 1,440k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type Electronic Electronic
Viewfinder resolution 2,359k dot 2,359k dot
Viewfinder coverage 100 percent 100 percent
Viewfinder magnification 0.78x 0.7x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/8000 seconds 1/2000 seconds
Maximum silent shutter speed - 1/32000 seconds
Continuous shooting speed 10.0fps 24.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Integrated flash
Flash distance no built-in flash 10.80 m (at Auto ISO)
Flash options no built-in flash Auto, fill-flash, slow sync, rear sync, off
Hot shoe
AE bracketing
White balance bracketing
Maximum flash sync - 1/2000 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p) ,1440 x 1080 (30p), 640 x 480 (30p)
Highest video resolution 3840x2160 3840x2160
Video file format MPEG-4, AVCHD, XAVC S, H.264 MPEG-4, AVCHD, XAVC S
Mic jack
Headphone jack
Connectivity
Wireless Built-In Built-In
Bluetooth
NFC
HDMI
USB USB 3.1 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 650g (1.43 lbs) 1095g (2.41 lbs)
Dimensions 127 x 96 x 74mm (5.0" x 3.8" x 2.9") 133 x 94 x 145mm (5.2" x 3.7" x 5.7")
DXO scores
DXO All around rating 96 not tested
DXO Color Depth rating 25.0 not tested
DXO Dynamic range rating 14.7 not tested
DXO Low light rating 3730 not tested
Other
Battery life 610 photographs 400 photographs
Battery form Battery Pack Battery Pack
Battery ID NP-FZ100 NP-FW50
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec, continuous)
Time lapse recording
Type of storage SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Storage slots Dual 1
Pricing at launch $1,998 $1,698